Home / 38,489,312.78-53,115,247.22-23,019,394.94

Finding the Fourth Proportional to 38,489,312.78, 53,115,247.22 and 23,019,394.94

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Solution

The fourth proportional to 38,489,312.78, 53,115,247.22 and 23,019,394.94 is: 31,766,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,489,312.78 : 53,115,247.22 = 23,019,394.94 : x
  2. Step 2: Convert to fraction form
    38,489,312.78/53,115,247.22 = 23,019,394.94/x
  3. Step 3: Cross multiply
    38,489,312.78x = 53,115,247.22 × 23,019,394.94
  4. Step 4: Simplify right side
    38,489,312.78x = 1,222,680,853,092,917
  5. Step 5: Solve for x
    x = 1,222,680,853,092,917/38,489,312.78
  6. Step 6: Final answer
    x = 31,766,762.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.